ventilator
From LSJ
ὁ γὰρ μανθάνων κιθαρίζειν κιθαρίζων μανθάνει κιθαρίζειν → he who is learning the harp, learns the harp by harping
ὁ γὰρ μανθάνων κιθαρίζειν κιθαρίζων μανθάνει κιθαρίζειν → he who is learning the harp, learns the harp by harping
ventĭlātor: ōris, m. id.,
I one who winnows grain, a winnower.
I Lit., Col. 2, 10, 14.—
II Transf. (from tossing up into the air), a juggler, Quint. 10, 7, 11 Spald.; Prud. στεφ. 10, 78.